<html>
<head>
    <meta charset="UTF-8">
    <meta name="viewport"
          content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>
<body>
<div class="visible-print text-center">
  <form method="post" action="{{url('Admin/Config/my/erwei')}}">
      {{csrf_field()}}
      <img src="{{ url('/captcha') }}" onclick="this.src='{{ url('/captcha') }}?r='+Math.random();" alt="刷新">
      <p>{!! captcha_src() !!}</p>
       <p><input type="text" name="captcha"></p>
        <p><button type="submit" name="check">提交</button></p>
      </form>
</div>
</body>
</html>